Manometer



FIG. 1 is a top-rear perspective view of a manometer showing our new design.

FIG. 2 is a bottom-front perspective view thereof.

FIG. 3 is a left side elevation view thereof.

FIG. 4 is a front elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a rear elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a bottom-rear perspective view thereof.

Broken lines in the attached drawings are included for the purpose of illustrating portions of the manometer and form no part of the claimed design. 

CLAIM The ornamental design for a manometer, as shown and described. 